L89.1 - Pressure ulcer of back
L89.10 - Pressure ulcer of unspecified part of back
L89.101 - Pressure ulcer of unspecified part of back, stage 1
InclusionTerm:
-Healing pressure ulcer of unspecified part of back, stage 1
-Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified part of back